National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Partly Cloudy

40°F

4°C

Humidity 65%
Wind Speed NW 10 mph
Barometer 29.96 in (1015.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 21 Mar 5:56 pm EDT
Extended Forecast for

3 Miles NNW Lewbeach NY

  • Tonight

    Tonight: A slight chance of drizzle, snow showers, and freezing rain after 2am. Cloudy, with a low around 33. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Cloudy then
    Slight Chance
    Wintry Mix

  • Sunday

    Sunday: Drizzle likely, mainly between 1pm and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 55. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Drizzle
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 2am, then a chance of rain and snow showers. Low around 29. North wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow after 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
A slight chance of drizzle, snow showers, and freezing rain after 2am. Cloudy, with a low around 33. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 20%.
Sunday
Drizzle likely, mainly between 1pm and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 55. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers before 2am, then a chance of rain and snow showers. Low around 29. North wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers, mainly before 8am. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 20. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A chance of snow after 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A chance of rain and snow before 2pm, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lewbeach NY
 42.04°N 74.8°W (Elev. 2274 ft)
Last Update:
3:45 pm EDT Mar 21, 2026
Forecast Valid:
6pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation